Section III - Implementation
Transmission and Reception


Transmission
The Exciter
The Exgine
Connecting the Services to the Transmitter
Main Program Audio
Economizing for Multicasting
The Exporter
Breaking into the Protocol Stack
        A New Transport Where None Had Been
          Necessary Before
        Network Analysis
        Quality of Service
        Network Security
        Another Approach
The Importer
Secure the Critical Network

Reception
Core Receiver Components
IBOC Coverage
FM Evaluation
Further FM Testing
Adjacent Channel Interference
AM Evaluation
Core & Enhanced
Nighttime
Effect of Adjacencies on AM IBOC Coverage

Conclusion of the IBOC Handbook

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Chapter 14: TABLES
14.1 FM IBOC Field Test Stations (Source: NRSC FM IBOC Evaluation Report, Table 4, p. 16)
14.2 AM IBOC Field Test Stations (Source:NRSC AM IBOC Evaluation Report, Table 4, p. 19)

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Chapter 14: FIGURES
14.1 Simple IBOC Transmission Topology with All IBOC Gear at Transmitter Site
14.2 IBOC Transmission Topology with HD Radio Exporter, and Exgine Modules
14.3 Key Functions of Exporter
14.4 Block Diagram of E2X Transport Protocol Expanding upon UDP (Source: Nautel)
14.5 Failure rate versus bit error rate of three E2X transport mechanisms. (Source: Nautel)
14.6 IBOC Transmission Topology with HD Radio Importer, Exporter, and Exgine Modules
14.7 Key Functions of Importer
14.8 Linking Studio, Importer, Exporter and STL with Network Switch (Source: Nautel)
14.9 Texas Instruments HD Radio Chip Block Diagram (Source: Texas Instruments)
14.10 WHFS IBOC Field Test Signal Strength Graph with Audio Service Indication
14.11 NPR Labs Availability Versus Signal Strength for Three HD Radio Stations (dashed lines) plus Combined Results for 26 Stations (solid line).
14.12 Field Strength Requirements Distribution for 26 HD Radio Stations, at 90% and 97% Availability.
14.13 Desired-to-Undesired Ratio of Three IBOC Receivers at Point of Blend to Analog, Tested on Six Adjacencies (Source: Kenwood USA)
14.14 WTOP Daytime IBOC Field Test Signal Strength Graph with Audio Service Indication

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